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| author | JJ Ding <jj_ding@emc.com.tw> | 2011-09-09 10:22:19 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-09-09 10:34:25 -0700 |
| commit | 1155961946f2c6ac0f2db2bc6318ec01c79fb3fa (patch) | |
| tree | cb06a7c54103c63c3e137f572140ad53f04b726f /drivers/input/mouse/elantech.c | |
| parent | b6b1e927cec6b472578402f07f5befa79a96818d (diff) | |
| download | lwn-1155961946f2c6ac0f2db2bc6318ec01c79fb3fa.tar.gz lwn-1155961946f2c6ac0f2db2bc6318ec01c79fb3fa.zip | |
Input: elantech - correct x, y value range for v2 hardware
x, y values are actually 12-bit long. Also update protocol document to
reflect the change.
Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Acked-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/mouse/elantech.c')
| -rw-r--r-- | drivers/input/mouse/elantech.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 32503565faf9..da161dae3502 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -290,15 +290,15 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse) /* pass through... */ case 1: /* - * byte 1: . . . . . x10 x9 x8 + * byte 1: . . . . x11 x10 x9 x8 * byte 2: x7 x6 x5 x4 x4 x2 x1 x0 */ - x1 = ((packet[1] & 0x07) << 8) | packet[2]; + x1 = ((packet[1] & 0x0f) << 8) | packet[2]; /* - * byte 4: . . . . . . y9 y8 + * byte 4: . . . . y11 y10 y9 y8 * byte 5: y7 y6 y5 y4 y3 y2 y1 y0 */ - y1 = ETP_YMAX_V2 - (((packet[4] & 0x03) << 8) | packet[5]); + y1 = ETP_YMAX_V2 - (((packet[4] & 0x0f) << 8) | packet[5]); input_report_abs(dev, ABS_X, x1); input_report_abs(dev, ABS_Y, y1); |